Home / 40,171.78-55,435.02-22,266.59

Finding the Fourth Proportional to 40,171.78, 55,435.02 and 22,266.59

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Solution

The fourth proportional to 40,171.78, 55,435.02 and 22,266.59 is: 30,726.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,171.78 : 55,435.02 = 22,266.59 : x
  2. Step 2: Convert to fraction form
    40,171.78/55,435.02 = 22,266.59/x
  3. Step 3: Cross multiply
    40,171.78x = 55,435.02 × 22,266.59
  4. Step 4: Simplify right side
    40,171.78x = 1,234,348,861.98
  5. Step 5: Solve for x
    x = 1,234,348,861.98/40,171.78
  6. Step 6: Final answer
    x = 30,726.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.